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STK11C68-S35 データシート(PDF) 1 Page - List of Unclassifed Manufacturers |
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STK11C68-S35 データシート(HTML) 1 Page - List of Unclassifed Manufacturers |
1 / 10 page June 1999 4-21 STK11C68 8K x 8 nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM FEATURES • 20ns, 25ns, 35ns and 45ns Access Times • STORE to EEPROM Initiated by Software • RECALL to SRAM Initiated by Software or Power Restore • 10mA Typical I CC at 200ns Cycle Time • Unlimited READ, WRITE and RECALL Cycles • 1,000,000 STORE Cycles to EEPROM • 100-Year Data Retention over Full Industrial Temperature Range • Commercial and Industrial Temperatures • 28-Pin DIP and SOIC Packages DESCRIPTION The Simtek STK11C68 is a fast static RAM with a nonvolatile, electrically erasable PROM element incorporated in each static memory cell. The SRAM can be read and written an unlimited number of times, while independent nonvolatile data resides in the EEPROM. Data transfers from the SRAM to the EEPROM (the STORE operation), or from EEPROM to SRAM (the RECALL operation), take place using a software sequence. Transfers from the EEPROM to the SRAM (the RECALL operation) also take place automatically on restoration of power. The STK11C68 is pin-compatible with industry- standard SRAMs. MIL-STD-883 device is also available (STK11C68-M). BLOCK DIAGRAM COLUMN I/O COLUMN DEC STATIC RAM ARRAY 128 x 512 EEPROM ARRAY 128 x 512 STORE/ RECALL CONTROL STORE RECALL A5 A6 A9 A11 A12 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 SOFTWARE DETECT A0 -A12 G E W A8 A7 A10 A3 A2 A0 A1 A4 PIN CONFIGURATIONS NC A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 VSS VCC NC A8 A9 A11 G W 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A10 E DQ7 DQ6 DQ5 DQ4 DQ3 28 - 300 PDIP 28 - 300 CDIP 28 - 350 SOIC PIN NAMES A0 - A12 Address Inputs W Write Enable DQ0 - DQ7 Data In/Out E Chip Enable G Output Enable VCC Power (+ 5V) VSS Ground |
同様の部品番号 - STK11C68-S35 |
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同様の説明 - STK11C68-S35 |
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